Investment Risks	Jul. 17, 2026
FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO \| \| Risk Nondiversified Status [Member]
Prospectus Line Items
Risk [Text Block]	In addition, the fund is classified as non-diversified under the Investment Company Act of 1940 (1940 Act), which means that it has the ability to invest a greater portion of assets in securities of a smaller number of individual issuers than a diversified fund. As a result, changes in the market value of a single investment could cause greater fluctuations in share price than would occur in a more diversified fund.
FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO \| \| Risk Lose Money [Member]
Prospectus Line Items
Risk [Text Block]	You could lose money by investing in the fund.
FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO \| \| Risk Not Insured Depository Institution [Member]
Prospectus Line Items
Risk [Text Block]	An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO \| \| EnvironmentandAlternativeEnergyIndustryConcentrationMember
Prospectus Line Items
Risk [Text Block]	Environment and Alternative Energy Industry Concentration. The environment and alternative energy industries can be significantly affected by government regulations and subsidies, changing supply and demand for traditional energy sources, and availability of funding for remedial cleanup or development of new technologies, and can be subject to risks associated with hazardous materials.
FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO \| \| GrowthInvestingMember
Prospectus Line Items
Risk [Text Block]	"Growth" Investing. "Growth" stocks can perform differently from the market as a whole and other types of stocks and can be more volatile than other types of stocks.
FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO \| \| ValueInvestingMember
Prospectus Line Items
Risk [Text Block]	"Value" Investing. "Value" stocks can perform differently from the market as a whole and other types of stocks and can continue to be undervalued by the market for long periods of time.
FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO \| \| ForeignExposureMember
Prospectus Line Items
Risk [Text Block]	Foreign Exposure. Foreign markets can be more volatile than the U.S. market due to increased risks of adverse issuer, political, regulatory, market, or economic developments and can perform differently from the U.S. market.
FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO \| \| IssuerSpecificChangesMember
Prospectus Line Items
Risk [Text Block]	Issuer-Specific Changes. The value of an individual security or particular type of security can be more volatile than, and can perform differently from, the market as a whole. The value of securities of smaller issuers can be more volatile than that of larger issuers.
FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO \| \| StockMarketVolatilityMember
Prospectus Line Items
Risk [Text Block]	Stock Market Volatility. Stock markets are volatile and can decline significantly in response to adverse issuer, political, regulatory, market, or economic developments. Different parts of the market, including different market sectors, and different types of securities can react differently to these developments.
FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO \| \| SustainabilityRiskMember
Prospectus Line Items
Risk [Text Block]	Sustainability Risk. Application of Fidelity Management & Research Company LLC's (FMR) (the Adviser) environmental, social and governance (ESG) rating process and/or its sustainable investing exclusion criteria may affect the fund's exposure to certain issuers, sectors, regions, and countries and may affect the fund's performance depending on whether certain investments are in or out of favor. The criteria related to the fund's ESG rating process and/or adherence to its sustainable investing exclusion criteria may result in the fund forgoing opportunities to buy certain securities when it might otherwise be advantageous to do so, or selling securities for ESG reasons when it might be otherwise disadvantageous for it to do so. As a result, the fund's performance may at times be better or worse than the performance of funds that do not use ESG or sustainability criteria. There are significant differences in interpretations of what it means for an issuer to have positive ESG factors. While the Adviser believes its definitions are reasonable, the portfolio decisions it makes may differ with other investors' or advisers' views. When evaluating an issuer, the Adviser is dependent on information or data obtained through voluntary or third-party reporting that may be incomplete, inaccurate, or unavailable, which could cause the Adviser to incorrectly assess an issuer's business practices.
FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO \| \| ManagementRiskMember
Prospectus Line Items
Risk [Text Block]	Management Risk. The Adviser's application of the fund's strategy criteria may not achieve its intended results. The fund could underperform in comparison to other funds with a similar benchmark or similar objectives and investment strategies.
FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO \| \| ClimateFocusRiskMember
Prospectus Line Items
Risk [Text Block]	Climate Focus Risk. Because the fund focuses its investments in equity securities of climate aware companies, it will be more susceptible to events or factors affecting these companies. The fund is particularly exposed to such developments as changes in global and regional climates, environmental protection regulatory actions, changes in government standards and subsidy levels, changes in taxation and other domestic and international political, regulatory, and economic developments.
Document Type	497

Investment Risks

Jul. 17, 2026

In addition, the fund is classified as non-diversified under the Investment Company Act of 1940 (1940 Act), which means that it has the ability to invest a greater portion of assets in securities of a smaller number of individual issuers than a diversified fund. As a result, changes in the market value of a single investment could cause greater fluctuations in share price than would occur in a more diversified fund.

FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO | | Risk Lose Money [Member]

Prospectus Line Items

Risk [Text Block]

You could lose money by investing in the fund.

FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO | | Risk Not Insured Depository Institution [Member]

Prospectus Line Items

Risk [Text Block]

An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO | | EnvironmentandAlternativeEnergyIndustryConcentrationMember

Prospectus Line Items

Risk [Text Block]

Environment and Alternative Energy Industry Concentration. The environment and alternative energy industries can be significantly affected by government regulations and subsidies, changing supply and demand for traditional energy sources, and availability of funding for remedial cleanup or development of new technologies, and can be subject to risks associated with hazardous materials.

FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO | | GrowthInvestingMember

Prospectus Line Items

Risk [Text Block]

"Growth" Investing. "Growth" stocks can perform differently from the market as a whole and other types of stocks and can be more volatile than other types of stocks.

FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO | | ValueInvestingMember

Prospectus Line Items

Risk [Text Block]

"Value" Investing. "Value" stocks can perform differently from the market as a whole and other types of stocks and can continue to be undervalued by the market for long periods of time.

FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO | | ForeignExposureMember

Prospectus Line Items

Risk [Text Block]

Foreign Exposure. Foreign markets can be more volatile than the U.S. market due to increased risks of adverse issuer, political, regulatory, market, or economic developments and can perform differently from the U.S. market.

FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO | | IssuerSpecificChangesMember

Prospectus Line Items

Risk [Text Block]

Issuer-Specific Changes. The value of an individual security or particular type of security can be more volatile than, and can perform differently from, the market as a whole. The value of securities of smaller issuers can be more volatile than that of larger issuers.

FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO | | StockMarketVolatilityMember

Prospectus Line Items

Risk [Text Block]

Stock Market Volatility. Stock markets are volatile and can decline significantly in response to adverse issuer, political, regulatory, market, or economic developments. Different parts of the market, including different market sectors, and different types of securities can react differently to these developments.

FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO | | SustainabilityRiskMember

Prospectus Line Items

Risk [Text Block]

Sustainability Risk. Application of Fidelity Management & Research Company LLC's (FMR) (the Adviser) environmental, social and governance (ESG) rating process and/or its sustainable investing exclusion criteria may affect the fund's exposure to certain issuers, sectors, regions, and countries and may affect the fund's performance depending on whether certain investments are in or out of favor. The criteria related to the fund's ESG rating process and/or adherence to its sustainable investing exclusion criteria may result in the fund forgoing opportunities to buy certain securities when it might otherwise be advantageous to do so, or selling securities for ESG reasons when it might be otherwise disadvantageous for it to do so. As a result, the fund's performance may at times be better or worse than the performance of funds that do not use ESG or sustainability criteria. There are significant differences in interpretations of what it means for an issuer to have positive ESG factors. While the Adviser believes its definitions are reasonable, the portfolio decisions it makes may differ with other investors' or advisers' views. When evaluating an issuer, the Adviser is dependent on information or data obtained through voluntary or third-party reporting that may be incomplete, inaccurate, or unavailable, which could cause the Adviser to incorrectly assess an issuer's business practices.

FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO | | ManagementRiskMember

Prospectus Line Items

Risk [Text Block]

Management Risk. The Adviser's application of the fund's strategy criteria may not achieve its intended results. The fund could underperform in comparison to other funds with a similar benchmark or similar objectives and investment strategies.

FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO | | ClimateFocusRiskMember

Prospectus Line Items

Risk [Text Block]

Climate Focus Risk. Because the fund focuses its investments in equity securities of climate aware companies, it will be more susceptible to events or factors affecting these companies. The fund is particularly exposed to such developments as changes in global and regional climates, environmental protection regulatory actions, changes in government standards and subsidy levels, changes in taxation and other domestic and international political, regulatory, and economic developments.

Document Type

497